.header_wrapper{
    background-color: #fff;
    border-bottom: 1px solid #e8e8e8;
    padding: 12px 0;
    .header{
        display:  flex;
        margin: 0 24px;
        .left{
            flex: 1;
        }
        .right{
            flex: 1;
            text-align: right;
        }
        .main{
            flex: 1;
            text-align: center;
        }
    }
}